Bird
Black-tailed Gull
Larus crassirostris · Laridae · Charadriiformes
Best monthsMay · Aug–Sepmost records
Records89,647in 6 countries
Most seen inSouth Korea47,171 records
Red ListLeast concernIUCN status
Photo: Angie from Sawara, Chiba-ken, Japan · CC BY 2.0 · Wikimedia CommonsReport this photo · linked, not stored
About
Black-tailed Gull in brief
The black-tailed gull (Larus crassirostris) is a bird of the Laridae family — species of bird.
Across the 6 countries we cover it has 89,647 published records, most of them from South Korea, Japan and Taiwan. It is recorded through much of the year, most often in May, August and September.
Its global conservation status is least concern on the IUCN Red List.
Records by month
All countries combined · the strongest months highlightedJFMAMJJASOND
Where & when
When to look in each country
South Korea47,171 records · best Aug, Jul
Japan22,141 records · best May, Oct
Taiwan9,364 records · best Feb, Mar
China8,313 records · best May, Sep
Russia2,566 records · best May, Jun
North Korea92 records · best Jun, Apr
Map
Where it has been recorded
Density of published records; brighter cells have more records.
Relatives
All birds
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